Composition comprising two particular oxidation dye precursors, and a particular carboxylic acid
AssigneeL'oreal
InventorsJulie Blanc, Robin Protat
Life of this patent
Estimating the term…
Abstract
The invention relates to a composition comprising at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of its addition salts, its solvates and/or the solvates of its salts, at least one oxidation coupler chosen from 2-amino-5-ethylphenol of formula (II), one of its addition salts, its solvates and/or the solvates of its salts, and at least one compound chosen from N, N-dicarboxymethyl glutamic acid, one of its salts, and mixtures thereof. The invention also relates to a process for dyeing keratin fibres, preferably the hair, comprising the application of the composition to said keratin fibres.
Claims20
A composition comprising:
- i) at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- ii) at least one oxidation coupler chosen from 2-amino-5-ethylphenol of formula (II), addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- and
- iii) at least one compound chosen from N,N-dicarboxymethyl glutamic acid, salts thereof, or mixtures of two or more thereof.
A method for dyeing keratin fibers, comprising:
- a) mixing a dyeing composition (A) with an oxidizing composition (B), wherein the dyeing composition (A) comprises:
- i) at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), one of addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- ii) at least one oxidation coupler chosen from 2-amino-5-ethylphenol of formula (II), one of addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- and
- iii) at least one compound chosen from N,N-dicarboxymethyl glutamic acid, one of salts thereof, or mixtures thereof, and
- wherein the oxidizing composition (B) comprises at least one chemical oxidizing agent;
- and
- b) applying the mixture to keratin fibers.
A multi-compartment kit comprising:
- (a) a first compartment comprising a dyeing composition comprising:
- i) at least one oxidation coupler chosen from 6-hydroxybenzomorpholine of formula (I), addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- ii) at least one oxidation coupler chosen from 2-amino-5-ethylphenol of formula (II), addition salts thereof, solvates thereof, solvates of its salts thereof, or mixtures of two or more thereof:
- and
- iii) at least one compound chosen from N,N-dicarboxymethyl glutamic acid, one of salts thereof, or mixtures thereof, and
- (b) a second compartment comprising an oxidizing composition comprising at least one chemical oxidizing agent.
Dependencies are inferred from the claim text.